Logo
FULL SITE MENU

Recent content by schjoth

  1. S

    Mercruiser 5,7 EFI smoke !

    Hi - I have still to find out what is wrong with my engine. I hope some of you guys i able to help me. The engine runs great idel/wot - no problem,the problem is the masive black smoke that occurs at startup - keeps smoking for a long time. The problem seems to be when the boat is in the water...
  2. S

    exhaust 1991 5.7 L

    Hey - Do any of you guys know what could cause at excesive backpressure in the exhaust - Engine is mercruiser 5,7 efi 1999. I have a suspicion that a high backpressure is triggering the MAP sensor to think more load is on the engine... and I end up with at rich fuel condition ???
  3. S

    Vacuum at the flame arrestor!

    Hello all you good people I wonder If you could help me - I am trying to figure out why my engine i running rich - If I try to messure vaccum on the hose connecting the flamearrestor to the fuel presssure regulator I get nothing. The messurement is done with the engine at idle ( 650 rpm) I...
  4. S

    Mercruiser 5,7 EFI 1999

    :) Hello I have a problem - the engine in my boat runs extremly rich.As of now the boat is virtually useless because of the heavy gasoline odor. It starts fine,idle is ok and WOT is also no problem. I have made a compression test an all cylinders where fine (12-14 bar) The fuel pressure...
See more
Back
Top